Home / 10,516.43-15,774.35-3,858.23

Finding the Fourth Proportional to 10,516.43, 15,774.35 and 3,858.23

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Solution

The fourth proportional to 10,516.43, 15,774.35 and 3,858.23 is: 5,787.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516.43 : 15,774.35 = 3,858.23 : x
  2. Step 2: Convert to fraction form
    10,516.43/15,774.35 = 3,858.23/x
  3. Step 3: Cross multiply
    10,516.43x = 15,774.35 × 3,858.23
  4. Step 4: Simplify right side
    10,516.43x = 60,861,090.55
  5. Step 5: Solve for x
    x = 60,861,090.55/10,516.43
  6. Step 6: Final answer
    x = 5,787.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.